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Part of the Pacemaker Project; this models the Pacemaker.
Dependencies: mbed TextLCD mbed-rtos
Diff: PMTest.cpp
- Revision:
- 8:5924b2048a27
- Child:
- 20:dc272bfaa276
- Child:
- 22:365d51eb3783
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PMTest.cpp Mon Nov 30 16:46:13 2015 +0000 @@ -0,0 +1,77 @@ +#include "mbed.h" +#include "LPC17xx.h" +#include "TextLCD.h" +#include "rtos.h" +#include "Thread.h" + +DigitalOut vsense(p23); +DigitalOut asense(p24); +DigitalIn apace(p22): +DigitalIn vpace(p21): + +int timer_count; +int curr_test; + +int[][] testfunc; + +// hardware interrupt handler, adapted from code in piazza post by Dagaen +extern "C" void TIMER0_IRQHandler (void) +{ +if((LPC_TIM0->IR & 0x01) == 0x01) // if MR0 interrupt, proceed + { + LPC_TIM0->IR |= 1 << 0; // Clear MR0 interrupt flag + timer_count++; //increment timer_count + } +} + +// init the hardware interrupt (timer0), adapted same as above +void timer0_init(int n) +{ + LPC_SC->PCONP |=1<1; //timer0 power on + LPC_SC-> PCLKSEL0 |= 1 << 2; // set timer clock to CCLCK nondivided (1 clock cycle = 1 increment) + LPC_TIM0->MR0 = n; //100mhz clock cycle, 1 cycle = 10ns, 10ms = 10 000 000 ns = 1M cycles + LPC_TIM0->MCR = 3; //interrupt and reset control + //3 = Interrupt & reset timer0 on match (111) sets all three bits + NVIC_EnableIRQ(TIMER0_IRQn); //enable timer0 interrupt +} + +// interrupt function +void interrupt_and_run_test(){ + // zero timer, set for 1ms interrupt + timer0_init(100000) + + // wait for atrial pulse + while(apace != 1}{} + + // check if timer was within event + + if(timer_count < testfunc[curr_test][0]){ + printf("ATRIAL PULSE FOR TEST " + curr_test + " WAS WITHIN BOUNDS\n"); + } + + // send vsense + + while(timer_count < testfunc[curr_test][1]){}; + vpace = 1; + + // send asense + while(timer_count < testfunc[curr_test][2]){}; + apace = 1; + + // check if timer was in event + + // wait for vpace + + // wait for atrial pulse + while(vpace != 1}{} + + // check if timer was within event + + if(timer_count < testfunc[curr_test][0]){ + printf("VENT PULSE FOR TEST " + curr_test + " WAS WITHIN BOUNDS\n"); + } + + + + +